Belfast Lough One-Design (Class I)

1898
Designer
William Fife III
Builder
John Hildtich (IRELAND)
Associations
?
# Built
9
Hull Type
Fin Keel
Construction
Wood

Dimensions

Length Overall
37 2 / 11.4 m
Waterline Length
25 0 / 7.6 m
Beam
8 7 / 2.6 m
Draft
6 3 / 1.9 m
Displacement
26,800 lbs / 12,156 kg
Ballast
7,380 lbs / 3,348 kg (Iron)
drawing

Rig and Sails

Type
Cutter
Reported Sail Area
848 ft2 / 78.8 m2
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.7 knots
Sail Area/Displacement
15.15
under powered
Ballast/Displacement
27.54
less stiff, less powerful
Displacement/Length
765.71
ultraheavy
Comfort Ratio
80.79
extremely heavy bluewater boat
Capsize Screening
1.16
better suited for ocean passages

Notes

Before 1900 there were 3 types of boats designated as ‘Belfast Lough One Design’. Class I, (9 built), Class II (9 built) Class III, the smallest with 10 built.

This version (CLASS I) and the largest was also known as SEA BIRD CLASS at the time with each boat named after a bird.
At last report (2011) at least 3 of these yachts still survive.


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